HESI LPN
Practice HESI Fundamentals Exam
1. A healthcare professional is preparing to administer 750 mL of 0.9% sodium chloride IV to infuse over 7 hr. The professional should set the infusion pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
- A. 107 mL/hr
- B. 120 mL/hr
- C. 95 mL/hr
- D. 100 mL/hr
Correct answer: A
Rationale: To calculate the infusion rate, divide the total volume (750 mL) by the total time (7 hr). 750 ÷ 7 ≈ 107 mL/hr. Choice A is correct because it accurately calculates the infusion rate based on the total volume and time. Choices B, C, and D are incorrect as they do not reflect the correct calculation for the infusion rate in this scenario.
2. A nurse is preparing an infusion for a client who was hospitalized with deep-vein thrombosis. The orders read: 25,000 units of heparin in 250 mL of 0.9% sodium chloride to infuse at 800 units/hr. At what rate should the nurse set the infusion pump?
- A. 8 mL/hr
- B. 10 mL/hr
- C. 12 mL/hr
- D. 15 mL/hr
Correct answer: A
Rationale: To calculate the infusion rate, use the formula: (Desired units/hr / Total units) × Volume. In this case, it would be (800 units/hr / 25,000 units) × 250 mL = 8 mL/hr. Therefore, the nurse should set the infusion pump at 8 mL/hr. Choice B, 10 mL/hr, is incorrect because it does not match the calculated rate. Choices C and D, 12 mL/hr and 15 mL/hr respectively, are also incorrect as they do not align with the correct calculation based on the provided data.
3. An adult client is found to be unresponsive on morning rounds. After checking for responsiveness and calling for help, the next action that should be taken by the nurse is to:
- A. Check the carotid pulse
- B. Deliver 5 abdominal thrusts
- C. Give 2 rescue breaths
- D. Open the client's airway
Correct answer: D
Rationale: In this scenario, the priority is to ensure the client has a clear airway to facilitate breathing. After verifying unresponsiveness and calling for help, the nurse should open the client's airway to aid in maintaining ventilation. Checking the carotid pulse (Choice A) may be important but comes after ensuring a clear airway. Delivering abdominal thrusts (Choice B) is indicated for choking, not for an unresponsive client. Giving rescue breaths (Choice C) is also important but only after the airway has been established.
4. When performing nasotracheal suctioning on a client with a respiratory infection, what technique should be used?
- A. Apply intermittent suction when withdrawing the catheter.
- B. Apply continuous suction during insertion of the catheter.
- C. Apply suction only during insertion of the catheter.
- D. Insert the catheter while the client is exhaling.
Correct answer: A
Rationale: The correct technique for nasotracheal suctioning is to apply intermittent suction when withdrawing the catheter. This method helps prevent damage to the mucosa and is the recommended approach. Continuous suction during insertion (choice B) can cause trauma to the airway lining. Applying suction only during insertion (choice C) is not sufficient for effective removal of secretions. Inserting the catheter while the client is exhaling (choice D) does not follow the standard procedure for nasotracheal suctioning.
5. The healthcare provider is caring for a patient who has multiple ticks on lower legs and body. What should the healthcare provider do to rid the patient of ticks?
- A. Use blunt tweezers and pull upward with steady pressure.
- B. Burn the ticks with a match or a small lighter.
- C. Allow the ticks to drop off by themselves.
- D. Apply miconazole and cover with plastic.
Correct answer: A
Rationale: Correct answer: When removing ticks, it is essential to use blunt tweezers to grasp the tick as close to the head as possible and pull upward with even, steady pressure to remove the entire tick. Option B is incorrect because burning ticks can increase the risk of infection and is not recommended. Option C is incorrect as waiting for ticks to drop off by themselves prolongs potential exposure to tick-borne diseases. Option D is incorrect as miconazole is an antifungal medication and not used for tick removal.
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